CN1953385B - Method for audio/video task calculation, method for providing summary information for, and apparatus for the same - Google Patents

Method for audio/video task calculation, method for providing summary information for, and apparatus for the same Download PDF

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Publication number
CN1953385B
CN1953385B CN2006101402407A CN200610140240A CN1953385B CN 1953385 B CN1953385 B CN 1953385B CN 2006101402407 A CN2006101402407 A CN 2006101402407A CN 200610140240 A CN200610140240 A CN 200610140240A CN 1953385 B CN1953385 B CN 1953385B
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summary info
audio
media data
request message
server
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CN1953385A (en
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金允洙
俞炯在
尹铉植
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/2805—Home Audio Video Interoperability [HAVI] networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4314—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for fitting data in a restricted space on the screen, e.g. EPG data in a rectangular grid
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/454—Content or additional data filtering, e.g. blocking advertisements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8453—Structuring of content, e.g. decomposing content into time segments by locking or enabling a set of features, e.g. optional functionalities in an executable program
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8543—Content authoring using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/2807—Exchanging configuration information on appliance services in a home automation network
    • H04L12/2812—Exchanging configuration information on appliance services in a home automation network describing content present in a home automation network, e.g. audio video content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L2012/2847—Home automation networks characterised by the type of home appliance used
    • H04L2012/2849—Audio/video appliances

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Information Transfer Between Computers (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

An audio/visual (AV) task calculation method, a method of providing summary information for an AV task calculation, and an apparatus for the same are provided. The method includes requesting summary information on media data from an AV server storing media data, receiving the summary information from the AV server, and calculating an AV task through the received summary information.

Description

Audio/video task computational methods, the method that summary information is provided and equipment thereof
The application requires to be submitted on October 21st, 2005 priority of the 10-2005-0099878 korean patent application of Korea S Department of Intellectual Property, and this application all is disclosed in this for reference.
Technical field
Equipment according to the invention and method relate to audio/video (AV) task computation, more particularly, relate to a kind of AV task computation method, and the equipment of method and these methods of use of summary info is provided for the AV task computation.
Background technology
Various network devices such as intelligent artifact, wireless device and calculation element has constituted home network, and described home network can make the user control as the various network devices that connects network separately.The network equipment that constitutes home network provides the service of using the intermediate equipment of creating virtual distributed computing environment.Up to the present used intermediate equipment such as home audio video interactive (HAVi), UPnP (UPnP) control device, Java intelligent network foundation structure (jini), open service gateway initiative agreement (OSGi).
In home network, the user can receive the various AV services such as film, music and photo print.In the 10-2003-0058395 Korean unexamined patent: Home Network Device, HomeNetwork Control Device, disclose the media data technology that is used to receive between home network device among the and Method of Downloading Media data in HomeNetwork, can make the user not consider the position at home and use medium.
The type that the user can serve by the AV of control device search in home network of control home network device; Described control device calculates the AV task.
The AV task refers to the operation of determining that the AV service is whether available.In order to use the AV service, need the storage device of media data, medium data and the player of playing media data.Control device search AV serves media data and the device that needs, thereby the information of the type of serving about the AV that provides in home network is provided to the user.
In order to calculate the AV task, must determine that above-mentioned media data, storage device and player are whether in home network.In the prior art, when retrieving the media data that is stored in storage device, the metadata of buffered media data.If buffer memory the metadata of all media datas in the home network, then can consume a large amount of memory spaces and time.Because most of users have a large amount of media datas, so this becomes a serious problem.
Summary of the invention
An aspect of of the present present invention provides a kind of method and apparatus that is used for calculating by the summary info of media data the AV task.
By to the following describes consulting of book, accompanying drawing and claim, will become clear for those of ordinary skill in the art's characteristics of the present invention.
According to an aspect of the present invention, provide a kind of AV task computation method, described method comprises: to the summary info of the AV of medium data server requests about media data; Receive summary info from the AV server; With summary info calculating AV task by receiving.
According to a further aspect in the invention, a kind of method that is used to be provided for calculate the summary info of AV task is provided, described method comprises: receive the summary info request message from control device, and send summary info about the information of intended media data as the response of summary info request message.
According to a further aspect in the invention, provide a kind of control device, described device comprises: the message establishing module, and create summary info request message, and send it to the AV server of medium data about media data; Communication module sends to the AV server with the summary info request message, and receives summary info from the AV server; With the AV task calculating module, calculate the AV task by the summary info that receives.
According to a further aspect in the invention, provide a kind of AV server, described AV server comprises: communication module receives the summary info request message from the control device that calculates the AV task; The message establishing module is created the response message about the summary info of intended media data of comprising as the response of summary info request message; And control module, by communication module response message is sent to control device.
Description of drawings
By the detailed description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, above-mentioned and other characteristics of the present invention will become clear, wherein:
Fig. 1 illustrates AV system according to an exemplary embodiment of the present invention;
Fig. 2 illustrates the flow chart of the operation of AV system according to an exemplary embodiment of the present invention;
Fig. 3 is the block diagram of control device according to an exemplary embodiment of the present invention;
Fig. 4 A illustrates summary info request message according to an exemplary embodiment of the present invention;
Fig. 4 B illustrates the summary info request message of another exemplary embodiment according to the present invention;
Fig. 4 C illustrates the search operation of UPnP AV architecture according to an exemplary embodiment of the present invention;
Fig. 5 A illustrates the user interface of using AV task computation result according to an exemplary embodiment of the present invention;
Fig. 5 B illustrates the use AV task computation result's of another exemplary embodiment according to the present invention user interface;
Fig. 6 is the block diagram of AV server according to an exemplary embodiment of the present invention;
Fig. 7 A illustrates summary info according to an exemplary embodiment of the present invention;
Fig. 7 B illustrates the summary info of another exemplary embodiment according to the present invention;
Fig. 8 illustrates the flow chart of AV task computation method according to an exemplary embodiment of the present invention;
Fig. 9 is the flow chart that the method for the summary info that is provided for the AV task computation according to an exemplary embodiment of the present invention is shown.
Embodiment
Describe exemplary embodiment of the present invention with reference to the accompanying drawings in detail.
By the following detailed description to exemplary embodiment and accompanying drawing of reference, each side of the present invention can be understood by easier quilt.Yet therefore the present invention can should not be construed as the embodiment that is confined to list here with multiple multi-form realization.On the contrary, provide these embodiment will make the disclosure, and notion of the present invention is intactly conveyed to those of ordinary skill in the art, and the present invention is only limited by claim thoroughly with complete.In whole specification, the identical identical parts of label representative.
Before propose describing in detail, the term that brief description is used in this manual.The explanation that term is provided is in order better to understand this specification, and here not clearly the term of definition be not in order to limit the scope of the invention.
Media data
Media data comprises video (that is, motion picture), audio frequency, image (that is still frame) and text.Media data can be multi-form such as film, music, photo and recreation.
The AV service
The AV service makes the user use media data by the predetermined media data of resetting.Here, " playback " expression " broadcast ", " demonstration ", " execution ", " duplicating ", " record " and " printing ".The example of described AV service is movie and music, print image, display image, execution recreation, recorded announce and sound and replicate photos and music.
The AV server
The AV server comprise such as flash memory can the medium data storage medium, the media data with storage offers other devices then.The example of described AV server is personal video recorder (PVR) and personal computer (PC).
The AV player
The AV player can be from AV server receiving media data, and plays this data.The example of described AV player is digital TV, portable media player and audio system.
Control device
Control device may command AV server and AV player.Control device is from the summary info of AV server acquisition about media data, and the information calculations AV task by obtaining.If UPnP is used for realizing home network as intermediate equipment, then AV server and AV player can be controlled devices.Equally, control device can be the UPnP control point.
The AV task
Whether the AV task illustrates the AV service that offers the user by the device in the home network and exists.Serve in order to provide film to play, but the AV player of the AV server of store movies file and movie file must be present in the home network.In this case, be used for the AV task of movie at home network.Therefore, can the meaning of phrase in this manual " calculating AV task " be " determining offer by the device in the home network AV service ".
Fig. 1 illustrates AV system according to an exemplary embodiment of the present invention.
AV system 10 comprises: control device 100, AV server 200 and AV player 300.In the explanation of term and figure, control device 100, AV server 200 and AV player 300 are illustrated as independent device; Yet two or more devices can be integrated into single assembly.And one or more control device 100, AV server 200 and AV player 300 can be present in the single AV system 10.AV system 10 can be used as home network and realizes.
The operation of AV system 10 is described with reference to Fig. 2.Control device 100 is searched for AV server 200 and AV player 300 in the AV system, and checks their function (S110).
Control device 100 checks whether AV server 200 and AV player 300 exist, and checks their function (S110).Specifically, control device 100 is learned in the function of AV server 200 mediums with in the function of AV player 300 playing media datas.The example of the function of playing media data is movie and music file, View Image File and execution recreation.
If AV system 10 realizes that by UPnP then S110 can find that (UPnPdiscovery) and UPnP describe (UPnP description) and realize by UPnP.
In UPnP finds, whether be present in the AV system 10 control device 100 multicast search messages in order to check AV server 200 and AV player 300.The AV server 200 and the AV player 300 that receive search message unicast to control device 100 with response message.Control device 100 can use the SSDP (SSDP) as a kind of search protocol.Control device 100 is by response message control AV server 200 and AV player 300.
In UPnP described, control device 100 can be learned the function of AV server 200 and AV player 300.Control device 100 is to AV server 200 and AV player 300 request unit description document and service description file.Based on the request of control device 100, AV server 200 and AV player 300 dispensing device description document and service description file.
Unit describe file and service description file are to form with the SGML such as XML, and comprise the details about AV server 200 and AV player 300.Therefore, control device 100 can obtain details about AV server 200 and AV player 300 by unit describe file and service description file.
UPnP finds and the UPnP description is specializing of S110, therefore, the invention is not restricted to this.S110 also can realize by other agreements.
When retrieval AV server 200 (S110), control device 100 is to (S120) of AV server 200 requests about the summary info of media data.
The summary info about media data that AV server 200 will be stored in the AV server 200 sends to control device 100 (S130).Here, summary info is described the whether file format of medium data and media data of AV server 200 in detail.
When from AV server 200 reception summary infos, control device 100 calculates AV task (S140) by summary info.Control device 100 can determine AV system 10 can provide the AV service of which kind of type.
When calculating the AV task, control device 100 offers result of calculation this result's of request application program (S150).Here, described application program can be included in control device 100 or intrasystem other devices of AV.
Describe control device 100 and AV server 200 with reference to Fig. 3 in detail to Fig. 7 B below.
Fig. 3 is the block diagram of control device according to an exemplary embodiment of the present invention.
The control device 100 that illustrates comprises: communication module 110, message establishing module 120, AV task calculating module 130, display module 140 and control module 150.
Communication module 110 is communicated by letter with AV player 300 with AV server 200 by wired or wireless medium.
Message establishing module 120 is created the message that will be sent to AV server 200 and AV player 300.For example, message establishing module 120 can be created the message that needs in UPnP discovery shown in figure 2 and the description.
In addition, message establishing module 120 is created summary info request message according to an exemplary embodiment of the present invention.The summary info request message comprises: type (that is, video, audio frequency, image and text) and file format (that is, such as the video format of MPEG-2, MPEG-4 and AVI with such as the audio format of MP3, ogg and midi).
When AV server 200 request when being stored in the summary info of the media data in the AV server 200, can use the summary info request message.Summary info is wanted for calculating the AV required by task, and can comprise the number that is stored in the media data in the AV server 200.More particularly, summary info comprises by type the number that is stored in the media data in the AV server 200 with file format.
Fig. 4 A illustrates the summary info request message that message establishing module 120 is created.The multipurpose internet mail of Fig. 4 A Display Summary information request message expands (MIME) type.At the summary info of the summary info request message requests shown in Fig. 4 A about video, audio frequency and view data.More particularly, the summary info request message is by first row 410, second row 420 and the third line 430 requests summary info about the number of media data with MPEG2-PS form, MP3 format and jpeg format.
Fig. 4 B illustrates the object type of the summary info request message of another exemplary embodiment according to the present invention.Identical with shown in Fig. 4 A of the summary info request message shown in Fig. 4 B.Can be used for the UPnP environment at the summary info request message shown in Fig. 4 B.More particularly, in order to calculate the AV task, the summary info request message can be included in in UPnP AV architecture (being not limited to its version) the searching media data required search operation or browse operation.Shown in Fig. 4 C, message establishing module 120 can make in the message shown in Fig. 4 B and be included in string format in the filter rows 440 of search operation.
AV task calculating module 130 is calculated the AV task by the function of the AV player 300 of retrieval in AV system 10 and the summary info that receives from the AV server of retrieving 200 AV system 10.In other words, AV task calculating module 130 can be determined by the type of the media data in the AV server 200 that is stored in retrieval in the AV system 10 and the combination of file format, and the AV service of which kind of type in the AV system 10 can be provided to the user.If AV server 200 store movies file, and AV player 200 would be the motion picture players such as portable electronic device (PMP), then can provide film to play service in AV system 10.If AV server 200 storage music files, and AV player 300 is audio systems, then can provide the music service in AV system 10.
The result of calculation of display module 140 by the AV task of AV task calculating module 130 is shown to the user with the AV service of available AV system 10.For example, display module 140 can use the AV service by the guiding user of the explicit user interface (UI) shown in Fig. 5 A.In Fig. 5 A, first viewing area 510 just shows the broadcast state of the media data that is used by the user, and second viewing area 520 is with the kind of icon display available AV service in AV system 10.The inactive icon of shade music icon 530 expressions among Fig. 5 A this means that music service is unavailable in AV system 10.In other words, in the result of calculation of AV task calculating module 130, the situation of this icon representation when in the media data of AV system 10, not finding music file, even or in AV system 10, found music file, but the situation that in AV system 10, does not have the AV player (for example, audio system) of the music file that can play.
Fig. 5 B describes available user interface when the user is chosen in photo icon 540 in the user interface shown in Fig. 5 A.In Fig. 5 B, display icon 542 is activated, but print icon 544 is inactive, but the AV player that this means image file and playing image file (for example, TV or computer display) in AV system 10, and the AV player of printable image file (as, printer) not in AV system 10.
The module 110 of control module 150 control constituent apparatus 100 is to module 140.In addition, control module 150 can will send to other devices by the AV task computation result that AV task calculating module 130 is calculated by communication module 110.
Fig. 6 is the block diagram of AV server 200 according to an exemplary embodiment of the present invention.
The AV server 200 that illustrates comprises: communication module 210, memory module 220, search module 230, message establishing module 240 and control module 250.
Communication module 210 is communicated by letter with control device 100 by wired or wireless medium.
The media data that memory module 220 is storing predetermined.For example, but memory module 220 storing moving pictures, image, music data.Therefore, memory module 220 can be hard disk or flash memory.
When control device 100 receives the summary info request message, the media data of the summary info request message identification of search module 230 search by being stored in the media data in the memory module 220.
If receive at the summary info request message shown in Fig. 4 A, then search module 230 is searched for MPEG2-PS video datas, MP3 voice data and JEPG view data.
If do not receive the summary info request message from control device 100, then search module 230 can be set up summary info in advance by the media data that search is stored in the memory module 230.When the new media data of memory module 230 storage, during the media data of memory module 230 deletion storages or when not participating in non-service time of AV service when AV server 200, execution search operation or periodically carry out search operation.In addition, can pre-determine the type or the file format of the media data that will be retrieved.
Message establishing module 240 is created the message that needs with control device 100 signal posts.For example, message establishing module 240 is created in the message that needs in UPnP discovery shown in Fig. 2 and the description.
In addition, message establishing module 240 is created from the response message of the request message of control device 100 receptions according to an exemplary embodiment of the present invention.Here, response message comprises predetermined summary info.Summary info is used to calculate the AV task, and can comprise the number that is stored in the media file in the memory module 220.More particularly, summary info can comprise the number of the media file that obtains with file format by type of the message identification that is used to ask summary info.
If when the summary info request message shown in communication module 210 reception Fig. 4 A, search module 230 is searching media data in memory module 220, then is included in the number that is comprised MPEG2-PS video file, MP3 audio file and JEPG image file by the summary info in the response message of message establishing module 240 establishments.
Fig. 7 A illustrates the summary info that is included in the response message of being created by message establishing module 240.Summary info shown in Fig. 7 A can be included in the response message of the summary info request message shown in Fig. 4 A.The summary info of Fig. 7 A shows that AV server 200 is by first row 610, second row 620 and the third line 630 storage 1000 MPEG2-PS video file formats, 2000 MP3 audio files and 3000 jpeg image files.To be included in identical with shown in Fig. 7 B of summary info in the summary info request message shown in Fig. 4 B.
Control module 250 controls constitute the module 210 of AV server 200 to module 240.
Term used herein " module " is represented but is not limited thereto component software or the nextport hardware component NextPort of carrying out particular task, such as field programmable gate array (FPGA) or application-specific integrated circuit (ASIC) (ASIC).Module can be configured to reside in addressable storage medium easily, and is configured to carry out on one or more processor.Therefore, in the mode of example, module can comprise assembly, process, function, attribute, program, subprogram, program code segments, driver, firmware, microcode, circuit, data, database, data structure, table, array and the variable such as component software, OO component software, class component and task component.Functionally can be combined to less assembly and module by what assembly and module provided, or can further be divided into other assembly and module.
Below, will describe the operation of control device 100 and AV server 200 in detail.
Fig. 8 illustrates the flow chart of AV task computation method according to an exemplary embodiment of the present invention.The flow chart that illustrates is corresponding with the operation of control device 100.
Message establishing module 120 is created the message (S210) that is used to retrieve AV server 200 and AV player 300.Communication module 110 sends to device (S215) in the AV system 10 with search message.But this search message of broadcast or multicast.
As communication module 110 (S220) when AV server 200 and AV player 300 receives the response message of search messages, message establishing module 120 is created and is used for checking at the device of AV system 10 retrievals (promptly, AV server 200 and AV player 300) the message (S225) of function, and communication module 110 sends to AV server 200 and AV player 300 (S230) with the function request message.
Communication module 110 is during from the response message of AV server 200 and AV player 300 receiving function request messages (S235), and control module 150 can be determined the function (S240) of AV server 200 and AV player 300.In other words, but control module 150 determine AV server 200 medium data and AV player 300 and can play the specific medium data.
S210 is corresponding with the S110 according to existing techniques in realizing of Fig. 2 to S240.
Then, message establishing module 120 is created summary info request message (S245).Communication module 110 sends to AV server 200 (S250) with described summary info request message.
When communication module 110 when AV server 200 receives the response message of summary info request messages, AV task calculating module 130 is calculated AV task (S260) by the summary info among the response message S260 that is included in reception.In other words, can by about the summary info of the media data in the AV server 200 that is stored in AV system 10 retrieval and in AV system 10 combination of the function of the AV player 300 of retrieval learn available AV service.
Then, by display module 140 AV task computation result is offered user (S265).Control module 150 can offer other devices with described result of calculation by communication module 110.
Fig. 9 is the flow chart that the method for the summary info that is provided for the AV task computation that can be carried out by AV server 200 is shown according to an exemplary embodiment of the present invention.
As communication module 210 (S310) when control device 100 receives search messages, message establishing module 240 is created the response message (S315) of search messages, and communication module 210 sends to control device 100 (S320) with described response message.
Then, when communication module 210 during from the response message of control device 100 receiving function request messages (S325), message establishing module 240 is created the response message (S330) of the feature message that comprises AV server 200.This function information may be the function about the media content that is used to store AV server 200.
Communication module 210 comprises that with described response message about the information of the function of AV server 200 sends to control device 100 (S335).
S310 is corresponding with the S110 according to existing techniques in realizing of Fig. 2 to S335.
As communication module 210 (S340) when control device 100 receives the response message of summary info request messages, search module 230 can be searched the media data (S345) by described summary info request message identification in memory module 220.Search module can be created the summary info about the media data of retrieval.
Message establishing module 240 is created the response message (S350) of the information that comprises the media data of retrieving about search module 230, and communication module 210 forwards this information to control device 100 (S355).
If receive the summary info request message, then carry out the search operation S345 of search module 230 from control device 100; But, the invention is not restricted to this.As shown in Figure 6, search module 230 can be carried out search operation before receiving the summary info request message from control device 100.In the case, can before S340, carry out S345.
According to the present invention, reduced the time of using and calculating the cost of AV task of memory.
Although, it should be appreciated by those skilled in the art, under the situation that does not break away from the scope and spirit of the present invention that are defined by the claims, can carry out various modifications, increase and replacement to it for disclosing of illustrative purpose exemplary embodiment of the present invention.

Claims (17)

1. method of calculating audio/video task, described method comprises:
To audio/video player sending function request message;
From the response message of audio/video player receiving function request message to determine the function of audio/video player;
To the summary info of audio/vidoe server request about media data;
Receive described summary info from audio/vidoe server about media data; With
Available audio/video services is learnt in the combination of the function by the summary info that receives and audio/video player, wherein, the summary info of described reception comprises by type the number with the media data file of storing of file format in audio/vidoe server
Can wherein, the meaning of calculating audio/video task be: determine and offer audio/video services by the device in the home network.
2. the method for claim 1, wherein describedly comprise to the step of audio/vidoe server request about the summary info of media data:
Create the summary info request message; With
The summary info request message is sent to audio/vidoe server.
3. method as claimed in claim 2, wherein, the step of described transmission comprises:
Search operation or browse operation forward abstract information request message by UPnP audio/video architecture.
4. method as claimed in claim 2, wherein, described summary info request message comprises the type and the file format of the media data that needs its summary info.
5. method as claimed in claim 4, wherein, described summary info request message comprises the type and the file format of several media datas.
6. method that is provided for calculating the summary info of audio/video task comprises:
Receive the summary info request message from the control device that calculates audio/video task; With
To send to control device about the summary info of intended media data, described summary info about the intended media data is as the response of summary info request message, wherein, described summary info comprises the number by the media data of the type of the media data of discerning by the summary info request message and file format
Can wherein, the meaning of calculating audio/video task be: determine and offer audio/video services by the device in the home network.
7. method as claimed in claim 6 also comprises by type or the file format searching media data, wherein, carries out described search before reception.
8. method as claimed in claim 6, wherein, described summary info request message comprises the type and the file format of the media data that needs its summary info.
9. method as claimed in claim 6, wherein, the step of described transmission comprises:
Search is by the media data of summary info request message identification;
Establishment comprises the response message about the summary info of the media data of retrieval; With
The response message of creating is sent to control device.
10. control device comprises:
The message establishing module is created summary info request message and function request message;
Communication module, the summary info request message is sent to audio/vidoe server, and receive summary info from audio/vidoe server, to audio/video player sending function request message, and from the response message of audio/video player receiving function request message;
Control module, the response message that receives according to communication module is determined the function of audio/video player; With
The audio/video task computing module, available audio/video services is learnt in the combination of the function by the summary info that receives and audio/video player, wherein, the summary info of described reception comprises by type the number with the media data file of storing of file format in audio/vidoe server
Can wherein, the meaning of calculating audio/video task be: determine and offer audio/video services by the device in the home network.
11. control device as claimed in claim 10, wherein, described message establishing module can be included in the search operation or browse operation of UPnP audio/video architecture the summary info request message.
12. control device as claimed in claim 10, wherein, described summary info request message comprises the type and the file format of the media data that needs its summary info.
13. control device as claimed in claim 12, wherein, described summary info request message comprises the several types and the file format of media data.
14. an audio/vidoe server comprises:
Communication module receives the summary info request message from the control device that calculates audio/video task;
The message establishing module is created the response message that comprises about the summary info of intended media data, and described response message is as the response of summary info request message; With
Control module sends to control device by communication module with response message, and wherein, described summary info comprises the number by the media data of the type of the media data of discerning by the summary info request message and file format,
Can wherein, the meaning of calculating audio/video task be: determine and offer audio/video services by the device in the home network.
15. server as claimed in claim 14 also comprises:
Search module, by type or the file format searching media data;
Wherein, before receiving the summary info request message, carry out described search.
16. server as claimed in claim 14 also comprises:
Memory module is stored a media data file at least; With
Search module, search is by the media data of summary info request message identification;
Wherein, the message establishing module creation comprises about the response message by the summary info of the media data of search module retrieval.
17. server as claimed in claim 14, wherein, described summary info request message comprises the type and the file format of the media data that needs its summary info.
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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110131802A (en) * 2010-05-31 2011-12-07 삼성전자주식회사 Apparatus and method for forming image as dlna digital media renderer
EP2910029B1 (en) * 2012-10-18 2019-06-05 LG Electronics Inc. Apparatus and method for processing an interactive service
US9536568B2 (en) 2013-03-15 2017-01-03 Samsung Electronics Co., Ltd. Display system with media processing mechanism and method of operation thereof
WO2014142560A1 (en) * 2013-03-15 2014-09-18 Samsung Electronics Co., Ltd. Display system with media processing mechanism and method of operation thereof

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5519435A (en) * 1994-09-01 1996-05-21 Micropolis Corporation Multi-user, on-demand video storage and retrieval system including video signature computation for preventing excessive instantaneous server data rate
US6535639B1 (en) * 1999-03-12 2003-03-18 Fuji Xerox Co., Ltd. Automatic video summarization using a measure of shot importance and a frame-packing method
DE60143927D1 (en) * 2000-03-13 2011-03-10 Sony Corp METHOD AND DEVICE FOR PRODUCING COMPACT METADATA FOR TRANSCODING NOTES
JP3607597B2 (en) * 2000-11-08 2005-01-05 株式会社東芝 Recording / playback device
US7415038B2 (en) * 2001-03-29 2008-08-19 International Business Machines Corporation Method and system for network management providing access to application bandwidth usage calculations
KR100492093B1 (en) * 2001-07-13 2005-06-01 삼성전자주식회사 System and method for providing summary video information of video data
US7296231B2 (en) * 2001-08-09 2007-11-13 Eastman Kodak Company Video structuring by probabilistic merging of video segments
KR20030058395A (en) * 2001-12-31 2003-07-07 엘지전자 주식회사 Home Network Device, Home Network Control Device, Method for downloading media data in Home Network
JP2003281168A (en) 2002-03-20 2003-10-03 Nippon Telegr & Teleph Corp <Ntt> Multimedia contents providing method, device, program and record medium recording the program
KR100486713B1 (en) * 2002-09-17 2005-05-03 삼성전자주식회사 Apparatus and method for streaming multimedia data
KR100509485B1 (en) * 2003-01-08 2005-08-22 삼성전자주식회사 Apparatus and method for displaying a dispersed multimedia data list
WO2004077207A2 (en) 2003-02-28 2004-09-10 Koninklijke Philips Electronics N.V. A method of sharing files between user stations in a network
US7308489B2 (en) * 2003-05-29 2007-12-11 Intel Corporation Visibility of media contents of UPnP media servers and initiating rendering via file system user interface
US7454511B2 (en) * 2003-05-29 2008-11-18 Intel Corporation Visibility of UPNP media renderers and initiating rendering via file system user interface
US20040267810A1 (en) * 2003-06-27 2004-12-30 Kidd Nelson F. Method, apparatus and system for efficient file indexing
EP1642212B1 (en) * 2003-06-30 2006-11-29 Koninklijke Philips Electronics N.V. System and method for generating a multimedia summary of multimedia streams
CN100521636C (en) 2003-06-30 2009-07-29 皇家飞利浦电子股份有限公司 Embedding a UPnP AV mediaserver object id in a URI
US7480442B2 (en) * 2003-07-02 2009-01-20 Fuji Xerox Co., Ltd. Systems and methods for generating multi-level hypervideo summaries
KR20050006975A (en) 2003-07-10 2005-01-17 삼성전자주식회사 Method for Controlling Content Files Using Identification
JP2005044104A (en) * 2003-07-28 2005-02-17 Toshiba Corp Contents management device and contents management method
GB0325673D0 (en) 2003-11-04 2003-12-10 Koninkl Philips Electronics Nv Virtual content directory service
KR100558881B1 (en) * 2003-12-27 2006-03-10 한국전자통신연구원 Apparatus and method for searching and browsing of multimedia contents
CN1902936B (en) * 2004-01-13 2011-04-20 皇家飞利浦电子股份有限公司 Method and system for filtering home-network content
JP2005216451A (en) * 2004-02-02 2005-08-11 Matsushita Electric Ind Co Ltd Contents information display method in contents reproducing apparatus
US7792701B2 (en) * 2004-02-13 2010-09-07 International Business Machines Corporation Method and computer program product for providing accessibility services on demand
JP2005293393A (en) * 2004-04-02 2005-10-20 Sharp Corp Content download system, content usability indication system, program and recording medium
US20050235048A1 (en) * 2004-04-20 2005-10-20 Jose Costa-Requena Exchanging multimedia data via a communications device
KR100754529B1 (en) * 2005-11-28 2007-09-03 삼성전자주식회사 Device for summarizing movie and method of operating the device

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EP1777884A1 (en) 2007-04-25
DE602006002339D1 (en) 2008-10-02
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